CO2 moles = 5.38 / 44 = 0.122
N2 moles = 7.17 / 28 = 0.256
total moles = 0.378
mole fraction of N2Â Â = moles of N2 / total moles
                             Â
= 0.256 / 0.378
                              Â
= 0.677
mole fraction of Co2 = 0.323
total pressure = 889 mmHg
partial pressure of N2 = mole fraction of N2 x total
pressure
                                  Â
= 0.677 x 889
                                   Â
= 593 mmHg
partial pressure of N2 = 593 mmHg
partial pressure of CO2 = 296 mmHg
